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WV
EMERSON

Low Voltage Thermostat, Stages Cool 2, Stages Heat 3

  • Item# 4NB73
  • Mfr. Model# 1F85-277
  • Catalog Page# 3778
  • UNSPSC# 41112209
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Product Details

Low-voltage unit retains programmed information even in the event of a power loss.

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Technical Specs

  • Item Low Voltage Thermostat
  • Stages Heat 3
  • Stages Cool 2
  • Temp. Settings per Day 4, 2
  • Programs per Week 5-1-1, 7, or Nonprogrammable
  • Terminal Designations R, C, Y1, Y2, E/W1, W2, G, O, B, L
  • System Switching Auto-Heat-Cool-Off-Emergency
  • Fan Switching Auto-On
  • Display Type LCD, Backlit
  • Key Pad Lockout Yes
  • Programmable Fan No
  • Humidification Control No
  • Remote Sensing Capability No
  • Filter Indicator Yes
  • Battery Backup Yes
  • Low Battery Indicator Yes
  • Batteries Included Yes
  • Dual Transformer Compatible No
  • Power Method Hardwired/Battery
  • Voltage 24 to 30VAC
  • 750mV Compatible No
  • Mounting Type Horizontal
  • Height 3-3/4"
  • Width 6-1/8"
  • Depth 1-1/8"
  • Color White
  • Control Range 45 Degrees to 90 Degrees F
  • Features (2H/2C) or Heat Pump (3H/2C).
  • For Use With Gas, Oil, Electric, Heat Pump
  • Includes 2 AA Batteries
  • Agency Compliance UL
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Compliance and Restrictions

None

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